Rectangular TLC developing tanks, complete

矩形 TLC 展开罐，完整

带球形接头的溶剂贮存器, Solvent reservoir with ball joints

Polyvinyl alcohol

聚乙烯醇

Poly(ethylene glycol)

聚（乙二醇）

Poly(ethylene glycol)

聚（乙二醇）

Boron trifluoride-methanol solution

三氟化硼-甲醇 溶液

1-Octanol

Diethyl Succinate

丁二酸二乙酯

Graphite

Tungstosilicic acid hydrate